One flower is heterozygous red (Rr) and it is crossed with another red (Rr) plant. Use a Punnett square to determine the probability of their offspring being white. Draw a punnett square

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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